| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [conj] could not be | 11 |
|
| 2 | could and could [adv] be | 5 |
|
| 3 | could and [vb mod] not be | 5 |
|
| 4 | could and could not be | 5 |
|
| 5 | could and could not be | 5 |
|
| 6 | [modal v] and could not be | 5 |
|
| 7 | could and could not [be] | 5 |
|
| 8 | [vb mod] and could not be | 5 |
|
| 9 | could and could not be | 5 |
|
| 10 | could and [modal v] not be | 5 |
|
| 11 | could and could [not/n't] be | 5 |
|
